Perhaps you should try some spelling variations:
formal transfer » informal transfers, social transfer, fiscal transfer
transfer costs » transport costs, transfer amounts
transfers de » transferts de, transfert de, transfers made
costs chap » costs ch, costs chapter
langues la » langues de, langues et, langues dans
la fiscal » a fiscal, can fiscal, has fiscal
de caso » de casos, de cas, de castro

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( aguas _ formal transfer costs chap ) OR ( langues la fiscal transfers de caso ))~.
• Adding a wildcard symbol may retrieve word variants: (( aguas _ formal transfer costs chap ) or ( langues la fiscal transfers de caso ))*.